Matematika

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tolong jawab. Buat besok....!!!
tolong jawab. Buat besok....!!!

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1 Jawaban

  • k = 22
    2 . Π . r = 22
    2 .22/7 .r = 22
    44/7 .r = 22
    r = 22 x 7/44
    r = 3,5
    d = 7

    luas = 1/4 . Π . d2
    =1/4.22/7.7.7
    =1/2.11.7
    =1/2.70
    =35

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